1. Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
2. Department of Chemistry, College of Science, Taif University, Taif, Saudi Arabia
3. Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia
4. Department of Pharmaceutical Medicinal Chemistry, Faculty of Pharmacy (Girls), Al-Azhar University, Cairo, Egypt